NO AUTHORS LISTED. Communicable Diseases Surveillance: CDI volume 20 issue 7 (1996). Communicable Diseases Intelligence, [S. l.], v. 20, p. 172–183, 1996. DOI: 10.33321/cdi.1996.20.21. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/185. Acesso em: 22 apr. 2026.